#sysadmin
Every post tagged sysadmin.
Blog posts
How to Uninstall Proxmox VE and Revert Your Server Back to Plain Debian
Tried Proxmox VE on an existing Debian box and want it back to plain Debian without a full wipe? Here's the safe, step-by-step way to remove it without breaking your kernel or losing your data.
How to Change the Root Password in Proxmox VE (GUI, Shell, and pveum)
Learn three ways to change the root password on a Proxmox VE host: the web GUI Password button, the Linux passwd command, and the pveum CLI tool — plus what to do if it does not seem to take effect.
How to Update Proxmox VE Safely (Without Breaking Your Host)
New to Proxmox and not sure how updates work? This beginner guide covers the enterprise vs no-subscription repositories, the right apt commands, when a reboot is actually needed, and the mistakes that leave a node half-upgraded.
How to Change the Hostname in Proxmox VE (The Right Way)
Proxmox does not officially support renaming a node after install. Here is the real, tested process for changing a hostname safely on standalone and clustered Proxmox VE nodes.